6876857531 has 2 divisors, whose sum is σ = 6876857532. Its totient is φ = 6876857530.

The previous prime is 6876857497. The next prime is 6876857557. The reversal of 6876857531 is 1357586786.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6876857531 - 2⁶ = 6876857467 is a prime.

It is a super-2 number, since 2×6876857531² = 94582339003342831922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6876857591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3438428765 + 3438428766.

It is an arithmetic number, because the mean of its divisors is an integer number (3438428766).

Almost surely, 2^6876857531 is an apocalyptic number.

6876857531 is a deficient number, since it is larger than the sum of its proper divisors (1).

6876857531 is an equidigital number, since it uses as much as digits as its factorization.

6876857531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8467200, while the sum is 56.

The square root of 6876857531 is about 82926.8203357635. The cubic root of 6876857531 is about 1901.6474659195.

The spelling of 6876857531 in words is "six billion, eight hundred seventy-six million, eight hundred fifty-seven thousand, five hundred thirty-one".